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Based on the Correlation of the File Dynamic Replication Strategy in Multi-Tier Data Grid
Zhongqiang Cui,Decheng zuo,Zhan Zhang 보안공학연구지원센터 2015 International Journal of Database Theory and Appli Vol.8 No.1
The data grid is one of the infrastructures for data and storage resource management. Data replication can improve data access performance, fault tolerance, and reduce network transmission bandwidth. As the site storage space is limited in the grid, how to effectively use grid resources become an important challenge. This paper introduces a dynamic grid replication algorithm based on popularity support and confidence (BPSC). Through the algorithm, data and its associated copy can be placed on a suitable site, with reduced access latency. Through Optorsim, simulation results show that the algorithm can provide better performance compared with other algorithms